<template>
    <div class="shopcar-box">
        <div class="goods-list">
            <!-- 商品列表项区域 -->
            <div class="mui-card" v-for="(item, i) in goodslist" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
                        <mt-switch 
                        v-model="$store.getters.getGoodsSelected[item.id]"
                        @change="selectedChanged(item.id, $store.getters.getGoodsSelected[item.id])"
                        ></mt-switch>
                        <img :src="item.thumb_path" alt="">
                        <div class="info">
                            <h1>{{ item.title }}</h1>
                            <p>
                                <span class="price">¥{{ item.sell_price }}</span>
                                <numbox :valuen="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <!-- 如何从购物车中获取商品的数量 -->
                                <!-- 1. 先创建一个空对象, 然后循环购物车中所有商品的数据, 把 当前循环这条商品的 ID,  -->
                                <!-- 作为对象的属性名, count值作为 对象的 属性值, 这样 当把所有的商品循环一遍,就会得到一个对象: -->
                                <!-- { 88:2, 89:1 } -->
                                <a href="#" @click.prevent="deleteShopCar(item.id, i)">删除</a>
                            </p>
                        </div>

					</div>
				</div>
			</div>

            <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner jiesuan">
                        <div class="left">
                            <p>总计(不含运费)</p>
                            <p>已勾选商品 <span class="red">{{ $store.getters.getGoodsCountAndAmout.count }}</span> 件, 
                            总价 <span class="red">¥{{ $store.getters.getGoodsCountAndAmout.amount }}</span></p>
                        </div>
                        <mt-button type="danger">去结算</mt-button>
					</div>
				</div>
			</div>

        </div>

        <!-- <p>{{$store.getters.getGoodsSelected}}</p> -->
    </div>
</template>

<script>
import numbox from '../subcomponents/shopcar_numbox.vue'

export default {
    data(){
        return {
            goodslist: [],
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        getGoodsList(){
            // 1. 获取到 store 中所有的商品的ID, 然后拼接处一个 用逗号分隔的字符串
            var idArr= [];
            this.$store.state.car.forEach(item => idArr.push(item.id) );
            // 如果购物车中没有商品, 则直接返回, 不需要请求数据接口,否则会报错
            if(idArr.length <= 0 ){
                return;
            }

            this.$http.get('http://www.liulongbin.top:3005/api/goods/getshopcarlist/' + idArr.join(",")).then(result =>{
                if(result.body.status === 0 ){
                    this.goodslist = result.body.message;


                }
            });
        },
        deleteShopCar(id, index){

            this.goodslist.splice(index,1)

            this.$store.commit("removeCar", id)
        },
        selectedChanged(id, val){
            // console.log(id +"----" +val);
            
            this.$store.commit('updateSelected', { id, selected:val })
        },
        
    },
    components:{
        numbox
    },
    
}
</script>

<style lang="scss" scoped>
.shopcar-box{
    background: #ccc;
    overflow: hidden;
    .goods-list{
        .mui-card-content-inner {
            display: flex;
            align-items: center;
        }
        img{
            width: 60px;
            height: 60px;
        }
        h1 {
            font-size: 13px;
        }
        .info {
            display: flex;
            flex-direction:column;
            justify-content: space-between;
            .price{
                color:red;
            }
        }
    }

    .jiesuan {
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red {
            color: red;
            font-size: 16px;
        }
    }
}
</style>